87999504 has 40 divisors (see below), whose sum is σ = 231628032. Its totient is φ = 28778880.

The previous prime is 87999493. The next prime is 87999521. The reversal of 87999504 is 40599978.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14752 + ... + 19839.

Almost surely, 2^87999504 is an apocalyptic number.

It is an amenable number.

87999504 is an abundant number, since it is smaller than the sum of its proper divisors (143628528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87999504 is a wasteful number, since it uses less digits than its factorization.

87999504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34655 (or 34649 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 87999504 is about 9380.8050827208. The cubic root of 87999504 is about 444.7951824349.

The spelling of 87999504 in words is "eighty-seven million, nine hundred ninety-nine thousand, five hundred four".